Frequent blog readers will easily recognize comment spam: unrelated or gibberish comments posted to entries. I've been getting a ton of them with phrases like "cool site. Thanks!". In the old Movable Type I knew how to filter these out. With the new I wasn't sure, and have been too lazy to figure out the proper regular expression syntax. Thankfully someone came to my rescue:

/(cool|excellent|good|nice)(\s)+site\.(\s)+(thank(\s)+you|thanks)/i